Sliding Observer Approach for Sensorless Operation of PMSM Drive

被引：0

作者：

Zhang Niaona ^{[1
]}

Guo Yibo ^{[1
]}

Zhang Dejiang ^{[1
]}

Zhang Niaona ^{[1
]}

机构：

[1] Changchun Univ Technol, Coll Elect & Elect Engn, Changchun, Jilin Province, Peoples R China

来源：

2010 8TH WORLD CONGRESS ON INTELLIGENT CONTROL AND AUTOMATION (WCICA) | 2010年

关键词：

Sliding observer; Permanent magnet synchronous motor; State estimation;

D O I：

10.1109/WCICA.2010.5554597

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

To eliminate the mechanical sensors of the permanent magnet synchronous motor (PMSM) drive, a nonlinear RBF network sliding mode speed/position observer was proposed for sensorless control of PMSM. The sliding surface was defined based on the errors between actual and estimated currents. Sliding mode variable is the RBF neural network input, network output is the observer control strategy. The estimated back electromotive force (EMF) was observed to calculate the position of the rotor, and the speed of the rotor. Convergence of the estimated parameters was analyzed based on the Lyapunov function. The proposed algorithm is easy to design and implement. Experimental result s showed that the proposed method can precisely estimate t he speed and position of the rotor. The system has good dynamic and static performances.

引用

页码：5809 / 5813

页数：5

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